LEARN TO FLY | Order Now
        FMS 1:18 FCX18 II Ford F-100 | Order Now
            More Power More Play | Shop Now
                New BATRAZZI Release | Shop to Upgrade
                    Sept. Sales | Shop Now
                        AeroScout S 2 RTF Basic w/ Realflight | Order Now
                            Axial SCX10 III JT Gladiator | Pre-Order Now
                                Order Over$ $99 | Free Shipping
                                  图片alt
                                  图片alt
                                  图片alt
                                  图片alt
                                  图片alt
                                  图片alt
                                  • 图片alt
                                  • 图片alt
                                  • 图片alt
                                  • 图片alt
                                  • 图片alt
                                  • 图片alt
                                  1 / 6

                                  Spektrum Firma 3900Kv 4-Pole Brushless Motor-SPMXSM3300

                                  SPMXSM3300
                                  In stock
                                  $59.99 USD
                                  Shipping fees will be calculated at checkout.
                                  Quantity
                                  Secure Payment Options
                                  PayPal
                                  Pay Later
                                  Apple Pay

                                  Available payment methods may vary by location, device, and order details.

                                  Free Shipping Over $99
                                  30 Day Return
                                  90 Day Warranty

                                   

                                  Overview

                                  Overview

                                  Great choice for 1/10 Scale 4WD models looking for a high RPM motor upgrade running up to 3S * (12.6v) power. Low cog 4-pole rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and high-precision bearings for high durability and smooth rotation. Preinstalled with 4mm gold plated bullet connectors for easy installation. Perfectly matched for the Firma 130 Smart ESC.

                                  *Will work with the 85A Firma ESC, but only for 2S power.

                                  Features

                                  • Perfect upgrade for brushed 540- and 550-size brushed motors with the same diameter and mounting pattern (vehicle must accept pinions with a 5mm bore)
                                  • High-quality 4-pole sintered rotors
                                  • Includes 4mm gold plated bullet connectors
                                  • Precision ball bearings and hardened steel 5mm shaft
                                  • SafeD-5 Pinion compatible

                                  Specifications

                                  Application
                                  1/10 Scale Surface
                                  Connector Type
                                  4mm Bullet
                                  Constant Wattage
                                  500-749W
                                  Input Voltage
                                  2-3S/12.6V
                                  Integrated ESC
                                  No
                                  Kv Rating
                                  3000Kv or more
                                  Maximum Continuous Current
                                  45A
                                  Motor Class
                                  1/10 Scale
                                  Motor Output Lead
                                  4mm
                                  Motor Type
                                  Brushless
                                  Outer Diameter
                                  1.4" (36 mm)
                                  Product Length
                                  2.35" (60 mm)
                                  RPM/Volt (Kv)
                                  3900Kv
                                  Sensor Type
                                  Sensorless
                                  Shaft Diameter
                                  0.2" (5 mm)

                                  Manuals

                                  You may also like

                                  Recently viewed

                                  COMPANY

                                  SUPPORT

                                  SHOPPING

                                  © 2026 HOBBY ZONE All Rights Reserved.

                                  Home

                                  Category

                                  Cart

                                  User

                                  Home

                                  Category

                                  Cart

                                  User

                                  Cart

                                  loading